Legal claims defining the scope of protection, as filed with the USPTO.
1. An information handling system comprising: a module bay configured to receive a module, and to connect the module to the information handling system; a voltage control switch in communication with the module bay, the voltage control switch configured to provide power to the module bay; and a controller in communication with the module bay and with the voltage control switch, the controller configured to detect a connection of the module to the module bay, to determine whether the module was previously connected to the module bay, to retrieve information stored about the module in response to the module being previously connected, the information including a type of module for the module, to send a power control override signal to the voltage control switch in response to the type of module being a first type, and to continue to provide power to the module bay and the module after a power down signal for the module bay is received in response to the power override signal being received at the voltage control switch, otherwise to power down the module bay and the module after the power down signal is received in response to the type of module being a second type.
2. The information handling system of claim 1 further comprising: a south bridge in communication with the voltage control switch, the south bridge configured to detect a period of inactivity of the module connected to the module bay, and to send the power down signal to the voltage control switch when the period of inactivity is detected.
3. The information handling system of claim 1 further comprising: a voltage supply in communication with the voltage control switch, the voltage supply configured to provide a voltage to the voltage control switch.
4. The information handling system of claim 1 wherein the module is selected from a group consisting of a peripheral component interface express module, a serial advanced technology attachment module, and an optical disk drive module.
5. The information handling system of claim 1 wherein the specific type is selected from a group consisting of a peripheral component interface express module and a serial advanced technology attachment module.
6. The information handling system of claim 1 wherein the controller is an embedded controller.
7. An information handling system comprising: a module bay; a module in communication with the module bay, the module configured to provide storage for the information handling system; a voltage control switch in communication with the module bay, the voltage control switch configured to provide power to the module bay; and a controller in communication with the module bay and with the voltage control switch, the controller configured to detect a connection of the module to the module bay, to determine whether the module was previously connected to the module bay, to retrieve information stored about the module in response to the module being previously connected, the information including a type of module for the module, to send a power control override signal to the voltage control switch in response to the type of module being a first type, and to continue to provide power to the module bay and the module after a power down signal for the module bay is received in response to the power override signal being received at the voltage control switch, otherwise to power down the module bay and the module after the power down signal is received in response to the type of module being a second type.
8. The information handling system of claim 7 further comprising: a south bridge in communication with the voltage control switch, the south bridge configured to detect a period of inactivity of the module connected to the module bay, and to send the power down signal to the voltage control switch when the period of inactivity is detected.
9. The information handling system of claim 7 further comprising: a voltage supply in communication with the voltage control switch, the voltage supply configured to provide a voltage to the voltage control switch.
10. The information handling system of claim 7 wherein the module is selected from a group consisting of a peripheral component interface express module, a serial advanced technology attachment module, and an optical disk drive module.
11. The information handling system of claim 7 wherein the specific type is selected from a group consisting of a peripheral component interface express module and a serial advanced technology attachment module.
12. The information handling system of claim 7 wherein the controller is an embedded controller.
13. The information handling system of claim 7 wherein the module connects to the module bay via a slimline connector.
14. A method comprising: detecting a connection of a module to a module bay; determining whether the module was previously connected to the module bay; retrieving information stored about the module in response to the module being previously connected, the information including a type of module for the module; sending a power override signal to a voltage control switch in response to the type of module being a first type; and continuing to provide power to the module bay and the module after a power down signal for the module bay is received in response to the power override signal being received at the voltage control switch, otherwise powering down the module bay and the module after a power down signal for the module bay is received in response to the type of module being a second type.
15. The method of claim 14 further comprising: receiving a power down signal for the module bay; and disregarding the power down signal for the module bay when the power override signal has been received at the voltage control switch.
16. The method of claim 14 wherein the module is selected from a group consisting of a peripheral component interface express module, a serial advanced technology attachment module, and an optical disk drive module.
17. The method of claim 14 wherein the specific type is selected from a group consisting of a peripheral component interface express module and a serial advanced technology attachment module.
18. The method of claim 14 wherein the module bay is connected to the module via an interface connector.
19. The method of claim 18 wherein the interface connector is a slimline connector.
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June 3, 2014
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